To hit or knock (something or someone), intentionally or accidentally, so that it falls.
To drink fast.
To disassemble for shipment.
To reduce the price of.
To demolish.
To approve a drinking toast by banging glasses on the table.
At an auction, to declare (something) sold with a blow from the gavel.
To topple or overcome; to cause to fall; (of a person) to knock out.
simple past tense of lie low
To lie low, to be inconspicuous, especially when the potential object of search.